O/L Science Sinhala | Grade 11 Science Unit 5 Part 1 | 11 විද්‍යාව 5 පාඩම ප්‍රකාශ විද්‍යාව 1 කොටස

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Learn O/L Science in Sinhala medium with this step by step video. Start it simple and easily. Lessons are planned , designed and carried out by the government school teacher, Anuradhika Lakmali. (Dip in Ed. BSc.)

Grade 11 Unit 5 of Science Syllabus. Follow the lessons with easy to understand visual content. Sinhala medium science lessons for o/l exam in Sri Lanka. Subscribe our channel for science short notes , science for grade 10 , science for grade 11 , o/l exam 2020 science , science lessons in sinhala. This lesson is on Optics. (Mirrors and lenses , refraction , reflection, concave and convex mirrors , concave and convex lenses , uttala kacha , uttala darpana, awathala kacha , awathala darpana , poorna abhyanthara parawarthanaya , Total Internal Reflection and Critical Angle , refractive index, warthana ankaya)

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